- Monograph,
Timber Press 1985, ISBN 0-88192-052-5 Blum, Lange,
Rischer &
Rutow: Echinocereus, (1998) Data
related to
Echinocereus at
Wikispecies Media...
- Blum, Mich.Lange &
Rutow W.
Texas to
Mexico (N. Coa****la)
Echinocereus coccineus subsp.
roemeri (Muehlenpf.) W.Blum, Mich.Lange &
Rutow Texas. Echinocereus...
- and Jürgen
Rutow in 1998. The
species name "apachensis"
refers to its
occurrence near the
Apache Trail. "Echinocereus
apachensis W.Blum &
Rutow". Plants...
-
Echinocereus pacificus subsp. mombergeri**** (G.Frank) W.Blum, W.Rischer &
Rutow Mexico (N. Baja California)
Echinocereus pacificus subsp.
pacificus Mexico...
-
Dawson 1949
Echinocereus maritimus subsp. han****ii (E.Y.Dawson) W.Blum &
Rutow 1998
Echinocereus maritimus var. han****ii (E.Y.Dawson) N.P.Taylor 1985...
-
Echinocereus arizonicus subsp.
matudae (Bravo)
Rutow 1994
Echinocereus arizonicus subsp.
nigrihorridispinus W.Blum &
Rutow 1998
Echinocereus arizonicus subsp. oldachiorum...
- 2017-3.RLTS.T152915A121494589.en. "Echinocereus
santaritensis W.Blum &
Rutow".
Plants of the
World Online.
Royal Botanic Gardens, Kew.
Retrieved 2024-07-04...
- subsp.
rutowiorum W.Blum
Mexico (Chihuahua)
Echinocereus pectinatus subsp.
wenigeri (L.D.Benson) W.Blum &
Rutow Texas to
Mexico (Chihuahua, Coa****la)...
- Lyman: The
Cacti of Arizona, ed 3, (1969) p. 449. Blum, Lange,
Rischer &
Rutow: Echinocereus, (1998) p. 129. Powell, A.
Michael &
James F. Weedin: Cacti...
